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130928253 = 3101942829
BaseRepresentation
bin1111100110111…
…00111001111101
3100010100211210120
413303130321331
5232004201003
620554125153
73146605011
oct763347175
9303324716
10130928253
11679a6375
1237a207b9
1321182151
1413562541
15b763853
hex7cdce7d

130928253 has 8 divisors (see below), whose sum is σ = 174746400. Its totient is φ = 87197808.

The previous prime is 130928233. The next prime is 130928261. The reversal of 130928253 is 352829031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130928253 - 28 = 130927997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130928233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18358 + ... + 24471.

It is an arithmetic number, because the mean of its divisors is an integer number (21843300).

Almost surely, 2130928253 is an apocalyptic number.

It is an amenable number.

130928253 is a deficient number, since it is larger than the sum of its proper divisors (43818147).

130928253 is a wasteful number, since it uses less digits than its factorization.

130928253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43851.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 130928253 is about 11442.3884307429. The cubic root of 130928253 is about 507.7825719760.

The spelling of 130928253 in words is "one hundred thirty million, nine hundred twenty-eight thousand, two hundred fifty-three".

Divisors: 1 3 1019 3057 42829 128487 43642751 130928253